Lectrosonics UT700 - Manual (Page 27)

Encrypted Digital Wireless System
Troubleshooting
This manual applies only to UDR700 version 3.0/3.0 and higher.
Power Problems
UDR700
Display not lit or dimly lit Power cord between main power supply and UDR700 disconnected or
defective.
External power supply disconnected, defective or inadequate.
The External DC power input is protected by an auto-reset polyfuse. If
external DC power is used, disconnect External DC power source
and wait about 10 seconds for the fuse to reset, then reconnect
power source.
Main power supply defective.
UM700
Power LED does not glow when
transmitter Power ON/OFF Switch
set to ON
Battery is dead, or too low to be used.
Battery is inserted backwards.
No Modulation LEDs Battery dead or in backwards. Check Power LED.
Audio Level Control turned all the way down.
Mic capsule is damaged or malfunctioning.
Mic cable damaged or mis-wired.
UT700
Power LED does not glow when
transmitter Power On/Off Switch
set to On
Battery is inserted backwards.
Battery is dead, or too low to be used.
No Modulation LEDs Battery dead or in backwards. Check Power LED.
Audio Level Control turned all the way down.
Mic capsule is damaged or malfunctioning. Contact the factory for
repair.
RF Problems
Antenna Phase Combining Indicator on
UDR700 has three LEDs glowing but
never moves
The ROTA-VERSITY switch is set to the A or B position (using only
one antenna) instead of the normal, center position (using both
antennas).
An antenna may be disconnected, have a bad connector or defective
antenna cable.
No LEDs glow on Receiver RF Level
Indicator
Receiver not turned on.
Transmitter not turned on, or battery is dead.
A receiver antenna may be disconnected, have a bad connector or
defective cable.
Transmitter and receiver not on same frequency.
Transmitter antenna not connected. (UM700 only)
Operating range is too great.
RF LEVEL is weak, but Antenna
Phase Combining Indicator LEDs glow
and move
An antenna may have bad connector and damaged cable.
The antennas may need to be moved or reoriented.
Improper length of UHF whip antenna, or wrong antenna.
Transmitter is 100 kHz (one switch position) off from the receiver
frequency.
Rio Rancho, NM 27